import {
  Card,
  Breadcrumb,
  Form,
  Button,
  Radio,
  Input,
  Upload,
  Space,
  Select,
  message
} from 'antd'
import { PlusOutlined } from '@ant-design/icons'
import { Link,useSearchParams } from 'react-router-dom'
import './index.scss'
import ReactQuill from 'react-quill'
import 'react-quill/dist/quill.snow.css'
import {  createArticleAPI, getArticleById ,updateArticleAPI} from '@/apis/article'
import {  useState,useEffect } from 'react'
import { useChannel } from '@/hooks/useChannel'
const { Option } = Select

const Publish = () => {

  // 获取频道列表
 const { channelList } = useChannel()

  // 表单提交
  const onFinish = (formValue) => {
    if(imageList.length !== imageType) return message.warning("封面类型和图片数量不匹配");

    const { title, channel_id, content } = formValue
    //1.处理收集到的数据
    const reqData = {
      title,
      content,
      cover: {
        type: imageType,//封面模式
        //因为在修改的时候 form回填的图片列表中imageList数据结构不一样 所以需要判断一下
        images: imageList.map(item => {
          if(item.response){
            return item.response.data.url
          }else{
            console.log("没有res")
            return item.url       
          }
        })//图片列表
      },
      channel_id
    }
    //2.发送请求
    if(articleId){
      //修改
      updateArticleAPI({...reqData, id: articleId})
    }else{
      //新增
      createArticleAPI(reqData)
    }
    
  }

  // 上传图片
  const [imageList, setImageList] = useState([])
  const onChange = (info) => {
    setImageList(info.fileList)
    //  console.log(info.fileList)
    //  console.log(imageList)
     console.log(info)
  }
  //切换图片类型
  const [imageType, setImageType] = useState(0)
  const onTypeChange = (e) => {
    const type = e.target.value
    setImageType(type)
  }

  //回填数据
  const [searchParams] = useSearchParams()
  const articleId = searchParams.get('id')
  const [form] = Form.useForm()
  useEffect(() => {
    async function getArticle () {
      const res = await getArticleById(articleId)
      const { cover, ...formValue } = res.data

      // 设置表单数据
      form.setFieldsValue({ ...formValue, type: cover.type })

      //回填图片
      setImageType(cover.type)
      setImageList(cover.images.map(url=>{
        return {url}
      }))
    }
    if (articleId) {
      // 拉取数据回显
      getArticle()
    }
  }, [articleId, form])


  return (
    <div className="publish">
      <Card
        title={
          <Breadcrumb items={[
            { title: <Link to={'/'}>首页</Link> },
            { title: `${articleId? '编辑' : '发布'}文章` },
          ]}
          />
        }
      >
        <Form
          labelCol={{ span: 4 }}
          wrapperCol={{ span: 16 }}
          initialValues={{ type: 0 }}
          onFinish={onFinish}
          form={form}
        >
          <Form.Item
            label="标题"
            name="title"
            rules={[{ required: true, message: '请输入文章标题' }]}
          >
            <Input placeholder="请输入文章标题" style={{ width: 400 }} />
          </Form.Item>
          <Form.Item
            label="频道"
            name="channel_id"
            rules={[{ required: true, message: '请选择文章频道' }]}
          >
            <Select placeholder="请选择文章频道" style={{ width: 400 }}>
              {channelList.map(item => <Option key={item.id} value={item.id}>{item.name}</Option>)}
            </Select>
          </Form.Item>

          <Form.Item label="封面">
            <Form.Item name="type">
              <Radio.Group onChange={onTypeChange}>
                <Radio value={1}>单图</Radio>
                <Radio value={3}>三图</Radio>
                <Radio value={0}>无图</Radio>
              </Radio.Group>
            </Form.Item>
            {/* 
              listType:决定选择文件框的外观样式
              showUploadList:控制显示上传列表
            */}
            {imageType > 0 &&
              <Upload
                listType="picture-card"
                showUploadList
                action={'http://geek.itheima.net/v1_0/upload'}
                onChange={onChange}
                name="image"
                maxCount={imageType}
                fileList={imageList}
              >
                <div style={{ marginTop: 8 }}>
                  <PlusOutlined />
                </div>
              </Upload>
            }
          </Form.Item>

          <Form.Item
            label="内容"
            name="content"
            rules={[{ required: true, message: '请输入文章内容' }]}
          >
            <ReactQuill
              className="publish-quill"
              theme="snow"
              placeholder="请输入文章内容"
            />
          </Form.Item>

          <Form.Item wrapperCol={{ offset: 4 }}>
            <Space>
              <Button size="large" type="primary" htmlType="submit">
                发布文章
              </Button>
            </Space>
          </Form.Item>
        </Form>
      </Card>
    </div>
  )
}

export default Publish